MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_DESCRIPTION("iptables addrtype match");
-static inline int match_type(__be32 addr, u_int16_t mask)
+static inline bool match_type(__be32 addr, u_int16_t mask)
{
return !!(mask & (1 << inet_addr_type(addr)));
}
-static int match(const struct sk_buff *skb,
- const struct net_device *in, const struct net_device *out,
- const struct xt_match *match, const void *matchinfo,
- int offset, unsigned int protoff, int *hotdrop)
+static bool match(const struct sk_buff *skb,
+ const struct net_device *in, const struct net_device *out,
+ const struct xt_match *match, const void *matchinfo,
+ int offset, unsigned int protoff, bool *hotdrop)
{
const struct ipt_addrtype_info *info = matchinfo;
- const struct iphdr *iph = skb->nh.iph;
- int ret = 1;
+ const struct iphdr *iph = ip_hdr(skb);
+ bool ret = true;
if (info->source)
ret &= match_type(iph->saddr, info->source)^info->invert_source;
return ret;
}
-static struct xt_match addrtype_match = {
+static struct xt_match addrtype_match __read_mostly = {
.name = "addrtype",
.family = AF_INET,
.match = match,